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New program to generate u-boot parameter block with correct CRC to

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enable reprogramming parameters from Linux.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6636 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
hcg 2007-03-22 17:33:29 +00:00
parent 6e38bb0457
commit 41e0816fe3
1 changed files with 115 additions and 0 deletions
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115
target/linux/at91-2.6/image/u-boot/patches/006-generate_params.patch Normal file
View File

@ -0,0 +1,115 @@
--- u-boot-1.1.4.old/tools/Makefile 2007-03-22 18:17:25.000000000 +0100
+++ u-boot-1.1.4/tools/Makefile 2007-03-22 17:08:46.000000000 +0100
@@ -21,9 +21,9 @@
# MA 02111-1307 USA
#
-BINS = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
+BINS = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX) ubparams$(SFX)
-OBJS = environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o
+OBJS = environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o ubparams.o
ifeq ($(ARCH),mips)
BINS += inca-swap-bytes$(SFX)
@@ -118,6 +118,9 @@
all: .depend $(BINS) $(LOGO_H) subdirs
+ubparams$(SFX): ubparams.o crc32.o
+ $(CC) $(CFLAGS) -o $@ $^
+
envcrc$(SFX): envcrc.o crc32.o environment.o
$(CC) $(CFLAGS) -o $@ $^
@@ -149,6 +152,9 @@
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
+ubparams.o: ubparams.c
+ $(CC) -g $(CFLAGS) -c $<
+
envcrc.o: envcrc.c
$(CC) -g $(CFLAGS) -c $<
--- u-boot-1.1.4.old/tools/ubparams.c 1970-01-01 01:00:00.000000000 +0100
+++ u-boot-1.1.4/tools/ubparams.c 2007-03-22 18:09:52.000000000 +0100
@@ -0,0 +1,78 @@
+/*
+ * ubparams.c
+ *
+ * Generate a u-boot parameter block with correct crc
+ *
+ * (C) 1007 Guthrie Consulting
+ * hamish@prodigi.ch
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__
+#endif
+#define __ASM_STUB_PROCESSOR_H__
+#include <config.h>
+#undef __ASSEMBLY__
+#include "environment.h"
+
+#define XMK_STR(x) #x
+#define MK_STR(x) XMK_STR(x)
+
+extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+
+#if !defined(ENV_CRC)
+#define ENV_CRC ~0
+#endif
+
+unsigned int env_size = 0x8400;
+env_t environment = {
+ ENV_CRC,
+ "bootdelay=3\0"
+ "baudrate=115200\0"
+ "stdin=serial\0"
+ "stdout=serial\0"
+ "stderr=serial\0"
+ "partitions=mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data)\0"
+ "fbargs=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data) root=/dev/mtdblock4 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
+ "rdba=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data) root=/dev/ram rw initrd=0x21200000,6000000 ramdisk_size=20000 init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
+ "rdram=run rdba; tftp 21000000 vImage; tftp 21200000 root.squashfs; bootm 21000000\0"
+ "flash=run fbargs; bootm 0xc0042000\0"
+ "bootargs=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data) root=/dev/mtdblock4 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
+ "bootcmd=bootm 0xc0042000\0"
+ "ethaddr=00:30:49:00:00:01\0"
+ "ipaddr=10.0.1.73\0"
+ "serverip=10.0.1.210\0"
+ "serial#=MX070205484\0"
+ "\0"
+ };
+
+int main(void) {
+ env_t *envptr, *source;
+ unsigned char *dataptr;
+ FILE *params;
+
+ source = &environment;
+ envptr = (env_t *)malloc(CFG_ENV_SIZE);
+ dataptr = (unsigned char *)envptr + ENV_HEADER_SIZE;
+
+ printf("Make u-boot params\n");
+ printf("Params size is %d\n", CFG_ENV_SIZE);
+
+ memset(envptr, 0, CFG_ENV_SIZE);
+ memcpy(envptr, source, sizeof(environment));
+
+ envptr->crc = crc32(0, envptr->data, ENV_SIZE);
+
+ params = fopen("params", "w");
+ fwrite(envptr, CFG_ENV_SIZE, 1, params);
+ fclose(params);
+
+ free(envptr);
+ }
+
+